Define work done
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Posted by Anish Jaiswal 7 years, 2 months ago
- 4 answers
Bhumika Jindal 7 years, 2 months ago
Itika Singhal 7 years, 2 months ago
Yogita Ingle 7 years, 2 months ago
Work done by a body is against the applied force if the displacement is in a direction opposite to the force. In the case of gravity, if a body is lifted above the ground, work is done against gravity.
All bodies with mass are attracted towards the earth by gravity, so when a body is lifted one has to do work to raise it.
Work done against gravity = Force x Displacement = Weight x Height = mgh = gravitational potential energy stored in the body.
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Sarika Kapur 7 years, 2 months ago
0Thank You